Quantum Data 881 - Manual (Page 1164)

1048 Appendix B Image Reference
Hatch4x3, Hatch5x4 and Hatch8x8
Description These are different versions of a crosshatch pattern that may be called for by some
display manufacturers’ test procedures. The primary version consists of white crosshatch
and circles on a black background. The secondary version inverts the image to black lines
on a white background.
The primary version of the Hatch4x3 image is shown below.
Purpose This is a general purpose test image that can be used to check and adjust video scan
linearity and geometry and color convergence.